Home / 4,015.35-5,537.30-3,130.83

Finding the Fourth Proportional to 4,015.35, 5,537.30 and 3,130.83

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Solution

The fourth proportional to 4,015.35, 5,537.30 and 3,130.83 is: 4,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.35 : 5,537.30 = 3,130.83 : x
  2. Step 2: Convert to fraction form
    4,015.35/5,537.30 = 3,130.83/x
  3. Step 3: Cross multiply
    4,015.35x = 5,537.30 × 3,130.83
  4. Step 4: Simplify right side
    4,015.35x = 17,336,329.30
  5. Step 5: Solve for x
    x = 17,336,329.30/4,015.35
  6. Step 6: Final answer
    x = 4,317.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.